H04M 1/6033
For providing handsfree use or a loudspeaker mode in telephone sets
Official title: {for providing handsfree use or a loudspeaker mode in telephone sets (arrangements for preventing acoustic echo H04M9/08)}
H04M1/6033 (For providing handsfree use or a loudspeaker mode in telephone sets) appears on 4,941 US grants and 5,722 published applications in this corpus.
Search patents in H04M- Granted patents
- 4,941
- Published applications
- 5,722
- Assignees
- 1,363
- Inventors
- 9,071
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 13 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 18 | 0 |
| 1994 | 22 | 0 |
| 1995 | 30 | 0 |
| 1996 | 43 | 0 |
| 1997 | 36 | 0 |
| 1998 | 67 | 0 |
| 1999 | 72 | 0 |
| 2000 | 76 | 0 |
| 2001 | 86 | 46 |
| 2002 | 79 | 150 |
| 2003 | 76 | 170 |
| 2004 | 100 | 229 |
| 2005 | 87 | 251 |
| 2006 | 129 | 268 |
| 2007 | 127 | 329 |
| 2008 | 99 | 313 |
| 2009 | 123 | 282 |
| 2010 | 141 | 277 |
| 2011 | 236 | 245 |
| 2012 | 276 | 267 |
| 2013 | 262 | 299 |
| 2014 | 308 | 274 |
| 2015 | 229 | 322 |
| 2016 | 310 | 309 |
| 2017 | 307 | 326 |
| 2018 | 280 | 238 |
| 2019 | 286 | 240 |
| 2020 | 236 | 194 |
| 2021 | 174 | 179 |
| 2022 | 152 | 159 |
| 2023 | 124 | 139 |
| 2024 | 114 | 95 |
| 2025 | 104 | 77 |
| 2026 | 43 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Speakerphone with room acoustics characterization and related methods6 Oct 2026US 12,756,775 B2
- Initiating voice communication between two or more communications devices29 Sep 2026US 12,750,439 B2
- Differential audio data compensation22 Sep 2026US 12,745,037 B2EPOS Group A/S
- Multi-source audio broadcast to an audio sink device8 Sep 2026US 12,730,604 B2Harman International Industries, Incorporated
- Face masks and method of fabricating face mask1 Sep 2026US 12,722,029 B2Razer (Asia-Pacific) Pte. Ltd.
- High Bitrate Audio Wireless Communication1 Oct 2026US 2026/0304086 A1Google Inc.
- Method and System for Establishing a Unified Communication Interface for Audio Streaming24 Sep 2026US 2026/0292385 A1Apple Inc.
- Pairing with companion device10 Sep 2026US 2026/0267140 A1Magic Leap, Inc.
- Integrated in-vehicle personal audio system10 Sep 2026US 2026/0267592 A1Harman International Industries, Incorporated
- Electronic device and method for transmitting packets for outputting audio, and non-transitory computer-readable recording medium27 Aug 2026US 2026/0255140 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method of using a communications device together with another communications device, a communications system, a communications device and an accessory device for use in connection with a communications device1,777US 7,130,608 B2Telefonaktiegolaget LM Ericsson (publ) · 2006
- Hearing aid with wireless remote processor1,063US 5,721,783 A1998
- Integration of music from a personal library with real-time information1,026US 6,192,340 B12001
- System and method for communicating selected information to an electronic device959US 7,187,947 B1Affinity Labs, LLC · 2007
- Interior rearview mirror sound processing system873US 6,420,975 B1Donnelly Corporation · 2002